TNIP1 and neuroblastoma: Lotte Spel et al. identified Nedd4 binding protein 1 (N4BP1) and TNFAIP3 interacting protein 1 (TNIP1) as NF-κB-dependent MHC-I inhibitors, through a FACS-dependent genome-wide CRISPRko screen in neuroblastoma.